Home / 67,121.74-92,630.38-36,909.36

Finding the Fourth Proportional to 67,121.74, 92,630.38 and 36,909.36

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Solution

The fourth proportional to 67,121.74, 92,630.38 and 36,909.36 is: 50,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,121.74 : 92,630.38 = 36,909.36 : x
  2. Step 2: Convert to fraction form
    67,121.74/92,630.38 = 36,909.36/x
  3. Step 3: Cross multiply
    67,121.74x = 92,630.38 × 36,909.36
  4. Step 4: Simplify right side
    67,121.74x = 3,418,928,042.36
  5. Step 5: Solve for x
    x = 3,418,928,042.36/67,121.74
  6. Step 6: Final answer
    x = 50,936.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.